Fix missing include

fixes #6001

diff --git a/lib/base/unix.hpp b/lib/base/unix.hpp
index 45edeb83e37872299b6e200c5b89bb82741b9aee..5312f51fad86867d5d5346625ae79b55573349ed 100644 (file)
--- a/lib/base/unix.hpp
+++ b/lib/base/unix.hpp
@@ -41,6 +41,7 @@
 #include <sys/time.h>
 #include <sys/resource.h>
 #include <strings.h>
+#include <errno.h>
 
 typedef int SOCKET;
 #define INVALID_SOCKET (-1)